// Copyright (c), ETH Zurich and UNC Chapel Hill.
// All rights reserved.
//
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// modification, are permitted provided that the following conditions are met:
//
//     * Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
//
//     * Redistributions in binary form must reproduce the above copyright
//       notice, this list of conditions and the following disclaimer in the
//       documentation and/or other materials provided with the distribution.
//
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//       its contributors may be used to endorse or promote products derived
//       from this software without specific prior written permission.
//
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#pragma once

#include <string>

#include <cuda_runtime.h>

#define CUDA_SAFE_CALL(error) CudaSafeCall(error, __FILE__, __LINE__)
#define CUDA_CHECK() CudaCheck(__FILE__, __LINE__)
#define CUDA_SYNC_AND_CHECK() CudaSyncAndCheck(__FILE__, __LINE__)

namespace colmap {

class CudaTimer {
 public:
  CudaTimer();
  ~CudaTimer();

  void Print(const std::string& message);

 private:
  cudaEvent_t start_;
  cudaEvent_t stop_;
  float elapsed_time_;
};

void CudaSafeCall(const cudaError_t error,
                  const std::string& file,
                  const int line);

void CudaCheck(const char* file, const int line);
void CudaSyncAndCheck(const char* file, const int line);

}  // namespace colmap
